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| Criterion |  Operations Fishbone Diagram |  UX Research First-click Testing |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-60 min | 1-2 Tage | 15-30 min |
Participantsdifferent | 2-8 | 10-30 | 2-6 |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Click Heatmap, Success Rate, Design Recommendations | Root cause notes, Countermeasures |
Tagsno overlap | Root causeQualityOperations | UXNavigationFindabilityValidation | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
